Bacterial rna polymerase - Study guides, Class notes & Summaries

Nucleic Acid grows by attachment of 5' phosphate group of the incoming nucleotide to the 3'hydroxyl group of the last nucleotide double stranded DNA most energetically favorable state for DNA Purines double-ring structure Adenine (A) + Guanine (G) Pyrimidine single-ring structure Uracil (U)+ Cytosine Messenger RNA (mRNA) -template for all protein synthesis -encode all information necessary to produce proteins Heterogeneous nuclear RNA primary product o...

OpenStax Microbiology Test Bank Chapter 11: Mechanisms of Microbial Genetics * = Correct answer Multiple Choice 1. Gene expression includes which of the following? A. DNA replication B. replication, transcription, and translation C. transcription and translation* D. translation only 2. The central dogma describes which of the following? A. the process by which enzymes are modified after translation B. the steps of gene expression* C. the way DNA is replicated D. the way RNA is...

How is the Ames test used to quantitate mutagenic potential of chemical compounds? Select the TWO best answers. correct answers The Salmonella test strain used in the Ames test contains a mutation in the histidine biosynthetic pathway, which is used to identify compounds that induce back mutations to permit bacterial growth on histidine free plates. The chemical compound to be tested is added to a filter paper disk and placed on agar plates containing the tester Salmonella strain; potent muta...

WGU C453 Clinical Microbiology Guaranteed Success What is the primary function of bacterial pili? ️️ Pili help bacteria attach to surfaces and facilitate the transfer of genetic material during conjugation. Define the term “host range” in relation to viruses. ️️ Host range is the spectrum of host cells a virus can infect. How do macrophages recognize foreign invaders? ️️ Macrophages use pattern recognition receptors (PRRs) to detect pathogen-associated molecul...

Chapter 13 Practice Exam 42 Questions with Verified Answers Which of the following is a type of RNA that gets translated? A) rRNA B) mRNA C) tRNA D) miRNA E) A, B, and C all get translated. - CORRECT ANSWER B Which of the following RNA molecules are required for the process of translation? A) crRNA B) tRNA C) snRNA D) snoRNA E) siRNA - CORRECT ANSWER B Over time, DNA replaced RNA as the primary carrier of genetic information, and the chemical stability of DNA is believed to be...

A gene is best defined as A) any random segment of DNA. B) three nucleotides that code for an amino acid. C) a sequence of nucleotides in DNA that codes for a functional product. D) a sequence of nucleotides in RNA that codes for a functional product. E) the RNA product of a transcribed section of DNA. C) a sequence of nucleotides in DNA that codes for a functional product. Which of the following pairs is mismatched? A) DNA polymerase — makes a molecule of DNA from a DNA template B) RNA polym...

GCD Exam 2 Practice Test Comp 86 Questions (chp 9-13) with Verified Answers Which of the following could be the components of a single nucleotide found in DNA? a. Ribose, phosphate, and cytosine b. Deoxyribose, phosphate, and uracil c. Deoxyribose, phosphate, and adenine d. Ribose, phosphate, and uracil - CORRECT ANSWER c. Deoxyribose, phosphate, and adenine 2. Which of the following is NOT a feature of the DNA double helix? a. It obeys the AG/TC rule. b. There are 10 nucleotides...

Bio 315- Exam 1 Questions and Answers 100% Correct From the list below, select the one cellular structure or compartment that is not found in animal cells: A. Plasmodesmata B. Golgi apparatus C. Endoplasmic Reticulum D. Plasma membrane - Correct Answer ️️ -A The most reliable feature distinguishing a eukaryotic cell from prokaryotic cell is the: A. Presence of plasma membrane B. Presence of a nucleus C. Eukaryotic cells larger size D. Presence of DNA - Correct Answer ️️ -B No...

Replication correct answers DNA must be retained intact, yet copied to make new cells Transcription correct answers DNA must be turned into multiple "working copies" to provide instructions for enzymes/structural proteins production Translation correct answers RNA must be read and decoded to form the enzymes/structural proteins of the cell DNA repair correct answers systems must have the ability to deal with damage Transcription in Bacteria correct answers - involves RNA polyme...

Bio 315- Exam 1 Questions and Answers 100% Correct From the list below, select the one cellular structure or compartment that is not found in animal cells: A. Plasmodesmata B. Golgi apparatus C. Endoplasmic Reticulum D. Plasma membrane - Correct Answer ️️ -A The most reliable feature distinguishing a eukaryotic cell from prokaryotic cell is the: A. Presence of plasma membrane B. Presence of a nucleus C. Eukaryotic cells larger size D. Presence of DNA - Correct Answer ️️ -B No...